Arm for adjustable lamp support



FIG. 1 is a perspective view of a arm for adjustable lamp support showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of the arm on a reduced scale, the lamp and support being shown in broken lines for illustrative purposes only. 

The ornamental design for arm for adjustable lamp support, as shown and described. 